The payer decided the service was not medically necessary.
PR: Patient responsibility. This one goes on the patient statement.
So the balance is billable to the patient, provided your advance notice was in order. Check that before the statement goes out. Billing a patient for something you contractually agreed to absorb is the expensive mistake on this code.
The same code, a different prefix. 50 also arrives as CO 50. The reason for the denial is the same. The prefix decides who pays for it, so the next step is not the same. If your remit says CO 50, read that page instead.
Winnable with a clinician. Recoverable on the merits, but somebody clinical has to attest.
In the order we see it.
The diagnosis does not meet the payer's medical policy or LCD criteria.
The note does not state the functional deficit the service addresses.
No failed course of conservative treatment is documented.
Appeal with the chart note and the payer policy or LCD it cites. A clinician must attest.
The documentation, not the argument.
The common mistake. Do not send the whole chart and hope. Cite the specific criterion in the payer's policy and the exact line in the note that meets it.
Where this comes from. This is our own reading of the code, not the payer's and not a copy of the standards text. We classify it from how these denials actually resolve. Where we are unsure, we say so rather than guessing.
The payer decided the service was not medically necessary. So the balance is billable to the patient, provided your advance notice was in order. Check that before the statement goes out. Billing a patient for something you contractually agreed to absorb is the expensive mistake on this code.
This is our plain-English wording, not the official X12 text. X12 asserts copyright over the published descriptions, so we write our own and say what it means for the money rather than restating the code.
The adjustment code says the claim was reduced. The remark code printed next to it says why, and it is the one that tells you what to send back.
| Remark | What it means |
|---|---|
| N115 | The decision came from a Local Coverage Determination, the regional Medicare policy that says when this service is covered. |
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